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Component mystery

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TERRY1

TERRY1 Member Posts: 9

December 2016 in THE MAIN WALL

Can anybody identify the Honeywell product in the attached photo?

Antique Honeywell product.pdf 76K

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Comments

ChrisJ Member Posts: 15,713

December 2016
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@Steamhead

Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
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STEVEusaPA Member Posts: 6,505

December 2016
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Isn't that the Honeywell Heat Generator (pot o mercury)
https://heatinghelp.com/assets/documents/141.pdf

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Danny Scully Member Posts: 1,425

December 2016
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Yes it is @STEVEusaPA! Very cool gravity system.

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Paul Pollets Member Posts: 3,656

December 2016
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Filled with mercury!! Be very careful.

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